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Discrete rate spectral efficiency for adaptive MIMO systems
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.
2008 (English)In: ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, 2008, 3089-3092 p.Conference paper, Published paper (Refereed)
Abstract [en]

Adaptive modulation scheme has been widely used in multiple-input multiple-output (MIMO) systems to enhance spectral efficiency while maintaining bit-error rate (BER) under a target level. We consider two MIMO schemes, orthogonal space-time block codes (OSTBC) and spatial multiplexing with zero-forcing receiver (SM-ZF), that apply adaptive modulation and derive closed-form expressions of the average spectral efficiency. Based on the closed-form expression of the average spectral efficiency, a low complexity switching method is utilized to gain significant improvement in spectral efficiency over an adaptive modulation system using a single MIMO scheme.

Place, publisher, year, edition, pages
2008. 3089-3092 p.
Series
International Conference on Acoustics Speech and Signal Processing (ICASSP), ISSN 1520-6149
Keyword [en]
MIMO systems, communication system operations and management, communication system performance
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-38771DOI: 10.1109/ICASSP.2008.4518303ISI: 000257456702095Scopus ID: 2-s2.0-51449123917ISBN: 978-1-4244-1483-3 (print)OAI: oai:DiVA.org:kth-38771DiVA: diva2:439114
Conference
2008 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP; Las Vegas, NV; 31 March 2008 through 4 April 2008
Available from: 2011-09-06 Created: 2011-08-31 Last updated: 2011-09-06Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf